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12x+8=12x+3+5
We move all terms to the left:
12x+8-(12x+3+5)=0
We add all the numbers together, and all the variables
12x-(12x+8)+8=0
We get rid of parentheses
12x-12x-8+8=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
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